Locking device for heavy equipment

PURPOSE: A locking device for heavy equipment is provided to improve space availability of the inner space of the heavy equipment by locking or releasing a door in either direction. CONSTITUTION: A locking device for heavy equipment comprises a case(41), an outer lever, an inner lever(43), a latch member(44), and a locking member. The outer lever releases the locking of a door from outside. The inner lever releases the locking of a door from inside. The latch member locks or releases a door selectively. The locking member restricts the rotation of a door by limiting the rotation of the outer lever.